I created my first project in Framework 3.5, and I am converted to 4.5 framework and it works fine. Secondly, I tried to add a link to this project in another project created in 4.5. when creating a second project after adding a link, I get an error message:
1. The primary reference "xxx" could not be resolved because it was built against the ".NETFramework,Version=v4.5" framework. This is a higher version than the currently targeted framework ".NETFramework,Version=v3.5". 2. The type or namespace name 'xxx' could not be found (are you missing a using directive or an assembly reference?)
Advice where i'm missing something
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